Behavioral task
behavioral1
Sample
2024-02-18_dca6b3d7e8ea835994181b59a8b6bbc1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_dca6b3d7e8ea835994181b59a8b6bbc1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_dca6b3d7e8ea835994181b59a8b6bbc1_cryptolocker
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Size
97KB
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MD5
dca6b3d7e8ea835994181b59a8b6bbc1
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SHA1
6d99a92c768b572e390f8c1bf2a414fed282e4fa
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SHA256
6b1a5e43ee9c97878b918889fd15ceaa33e17e096df58ddaaded9445cbdda160
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SHA512
47e34c8e1d161f98db2bbb327428d84e739f3f0366420ab2fe61672463d380a8ef7e1234aad75196b6cd7098416bc6094b8b3b6659b1622ee6c70502fda72093
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKES:z6a+CdOOtEvwDpjcu
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-18_dca6b3d7e8ea835994181b59a8b6bbc1_cryptolocker
Files
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2024-02-18_dca6b3d7e8ea835994181b59a8b6bbc1_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE